Leonidas also starred in the BBC tele-movie Atlantis, which aired on BBC One and BBC One HD on 8 May 2011. In 2011, she was also in a play for the Transatlantyk Festival called "Influence", written by Shem Bitterman. Leonidas later teamed up with Dave McKean to work on the film Luna, released in 2014. She also stars as Irisa Nolan in the science fiction TV series Defiance, which has run for two seasons, with a third season schedule to air in 2015. [4]